Continuity: As Pete demands Chloe's keys he raises the gun on her. As he does you can hear the sound of the hammer being pulled back on the revolver. In the shot of the gun, as Chloe gives him the keys, the hammer is not pulled back.

Continuity: When Lana and Clark are sitting on top of the windmill, Clark's jacket changes from opened to closed to opened.

Continuity: After Lex tells Martha that he'll do whatever he can to help Jonathan, she goes into Jonathan's hospital room. As she goes through the door, the blinds next to the door are closed. When the shot switches to show Clark standing at the other window, the blinds next to the door are open. Then, as Lex goes over to Clark, the blinds next to the door are closed again.

Continuity: Right after Ryan makes breakfast for the Kents, he leans on a chair and sets the orange juice jug down twice. (Time)

Revealing: As Tyler slides across the floor, after Clark knocks him out of Whitney's father's room, he hits the camera. When he does the camera has a noticeable shake to it because of it.

Continuity: When Tyler turns Mrs. Sykes into ash she is laying down with her head on a pillow. This is where the dust collects. As Chloe and Clark check out what happened, the ash on the bed now shows that her head was on the bed and not the pillow as it was before.

Continuity: When Clark and Chloe visit the old lady's house, there is a white rose on the mantelpiece. At first it is facing off to the side, then it is suddenly facing outward when Clark notices it.

Continuity: In the intro to the final scene, the top half of the loft doors are open with the bottom half being closed, yet at the end of the scene during the pullout, both the top half and the bottom half of the doors are open.

Continuity: In the intro to the final scene there is no light beneath the loft doors, yet at the end of the scene during the pullout a light has appear beneath them and it switched on.

Continuity: As Chloe hurries to put Justin's art book back before Justin comes in there is a piece of white paper sticking out of the top and bottom, based on the way she put it back, of the folder. When Justin sees the folder has been moved there are no papers sticking out.

Continuity: When Clark goes to Kwan's house the set of pathway lights on the left, the side where Justin pulled only one out, is gone. Earlier the lights ran down both sides of the driveway.

Plot hole: Justin's power is telekinesis, which he uses to attack the doctor at the beginning of the episode. He shows that he is targeting the doctor's hands by blacking them out on the drawing, but he has absolutely no way to see what is happening in the elevator to know the exact moment when to drop it and cut them off. (Time)

Continuity: As Justin turns the spike end of the pathway light towards Principal Kwan, in the close up, the light is at a height that is just lined up with the light in front of it. After the shot change, the shot simply zooms out to include Justin on the right side of the screen, the light is now several feet higher than it was before.

Continuity: When Chloe is kissing Justin the shot is behind him and her hands are not on his neck. The shot switches to behind Chloe and she does have her hands on his neck.

Continuity: As Chloe is running away from Justin in the barn, he looks to his right and sees a horseshoe nailed to a post. He throws the horseshoe at Chloe and hits her on the opposite side of her head from where the horseshoe was before. (Time)

Revealing: When the gas pipe explodes at the beginning before the credits, the camera goes to an aerial view. You can see that the explosion started from behind the gas pipes. (Time)

Continuity: As Chloe leaves Clark calls out her name. In the shot from Chloe's side of the room, Clark is holding the pitchfork horizontally low in front of him. The shot switches, as Chloe finishes her turn, and now Clark is holding the pitchfork with his arm bent so that the pitchfork is no longer low in front of his waist.

Continuity: Near the end when Clark and Chloe are talking in his barn, Clark calls to her as she walks away. His arm snaps from straight from the front to bent from behind. (Time)

Factual error: As Jonathan reads the paper on the plant closing there is a nice up close shot of the front page. It reads "Management Problems Sited". That should be Cited, not sited.

Audio problem: When Lex talks to Clark, Clark clicks his flashlight on, and you hear the click signifying he has turned it on. But in the next shot, the flashlight is now off, without another click sound heard to signify that the flashlight was turned off.